SEI CERT C Coding Standard

Space shortcuts

Page tree

Versions Compared

Old Version 43

changes.mady.by.user Alex Volkovitsky

Saved on

compared with

New Version 44

changes.mady.by.user Justin Pincar

Saved on

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

...

Operating System

How to handle floating point errors

Linux
Solaris 10
Mac OS X 10.5

Use the C99 floating point exception functions.

<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="4cce020d1e300807-e49a3aa9-43094ed7-94e2b10e-018be99351caa203d220df73"><ac:plain-text-body><![CDATA[

Windows

Either use the C99 floating point exception function or structured exception handling through _fpieee_flt [[MSDN

AA. C References#MSDN]]

]]></ac:plain-text-body></ac:structured-macro>

...

Wiki Markup
\[[IEEE 754|AA. C References#IEEE 754 2006]\]
\[[Intel 01|AA. C References#Intel 01]\]
\[[Keil 08|AA. C References#Keil 08]\]
\[[MSDN|AA. C References#MSDN]\] "[fpieee_flt (CRT)|http://msdn.microsoft.com/en-us/library/te2k2f2t(VS.80).aspx]"
\[[Open Group 04|AA. C References#Open Group 04]\] "[{{fenv.h}} - Floating point environment|http://www.opengroup.org/onlinepubs/009695399/basedefs/fenv.h.html]"
\[[SecurityFocus 07|AA. C References#SecurityFocus 07]\]

...

FLP02-AC. Consider avoiding floating point numbers when precise computation is needed      05. Floating Point (FLP)       FLP30-C. Do not use floating point variables as loop counters